/Engine/Plugins/Experimental/Mutable/Source/MutableTools/Public/MuT/NodeImageProject.h
Get the node generating a mask to filter out the projected images. It is optional.
void SetTargetMask ( [Ptr](API\Plugins\CustomizableObject\MuCO\Ptr)< [NodeImage](API\Plugins\MutableTools\MuT\NodeImage) > )